[INFO] fetching crate dfu-libusb 0.2.0...
[INFO] documenting dfu-libusb-0.2.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate dfu-libusb 0.2.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate dfu-libusb 0.2.0 on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dfu-libusb 0.2.0
[INFO] finished tweaking crates.io crate dfu-libusb 0.2.0
[INFO] tweaked toml for crates.io crate dfu-libusb 0.2.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate dfu-libusb 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c7261ac9df976b296b136082f1bf425f2c9cde676907b5d3a0c9e6577cfe406f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c7261ac9df976b296b136082f1bf425f2c9cde676907b5d3a0c9e6577cfe406f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c7261ac9df976b296b136082f1bf425f2c9cde676907b5d3a0c9e6577cfe406f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7261ac9df976b296b136082f1bf425f2c9cde676907b5d3a0c9e6577cfe406f", kill_on_drop: false }`
[INFO] [stdout] c7261ac9df976b296b136082f1bf425f2c9cde676907b5d3a0c9e6577cfe406f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fbe7e96c47cb3937f1b730bd06f4a7cf8cda7127c2649dc016e42a338349c13c
[INFO] running `Command { std: "docker" "start" "-a" "fbe7e96c47cb3937f1b730bd06f4a7cf8cda7127c2649dc016e42a338349c13c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling rusb v0.9.0
[INFO] [stderr]    Compiling libusb1-sys v0.6.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling displaydoc v0.2.2
[INFO] [stderr]     Checking thiserror v1.0.26
[INFO] [stderr]     Checking dfu-core v0.2.0
[INFO] [stderr]  Documenting dfu-libusb v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.46s
[INFO] running `Command { std: "docker" "inspect" "fbe7e96c47cb3937f1b730bd06f4a7cf8cda7127c2649dc016e42a338349c13c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbe7e96c47cb3937f1b730bd06f4a7cf8cda7127c2649dc016e42a338349c13c", kill_on_drop: false }`
[INFO] [stdout] fbe7e96c47cb3937f1b730bd06f4a7cf8cda7127c2649dc016e42a338349c13c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=1" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f331c73a1f17aa4285d77cc3243f7f38f48f87d6c80dd535719facd88835b83a
[INFO] running `Command { std: "docker" "start" "-a" "f331c73a1f17aa4285d77cc3243f7f38f48f87d6c80dd535719facd88835b83a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling rusb v0.9.0
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]    Compiling libusb1-sys v0.6.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling displaydoc v0.2.2
[INFO] [stderr]     Checking thiserror v1.0.26
[INFO] [stderr]     Checking dfu-core v0.2.0
[INFO] [stderr]  Documenting dfu-libusb v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.41s
[INFO] running `Command { std: "docker" "inspect" "f331c73a1f17aa4285d77cc3243f7f38f48f87d6c80dd535719facd88835b83a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f331c73a1f17aa4285d77cc3243f7f38f48f87d6c80dd535719facd88835b83a", kill_on_drop: false }`
[INFO] [stdout] f331c73a1f17aa4285d77cc3243f7f38f48f87d6c80dd535719facd88835b83a